<template>
    <div class="login-container">
        <!-- 顶部 -->
        <div class="head-box absolute-lt flex-x-end p-3 w-full">
            <el-switch v-model="isDark" inline-prompt :active-icon="Moon" :inactive-icon="Sunny"
                @change="toggleTheme" />
            <lang-select class="ml-2 cursor-pointer" />
        </div>
        <!-- 登录表单 -->
        <el-card class="login-box !border-none !bg-transparent !rounded-4% w-100 <sm:w-85">
            <div class="text-center relative">
                <h2>{{ defaultSettings.title }}</h2>
                <el-tag class="ml-2 absolute-rt tag">{{ defaultSettings.version }}</el-tag>
            </div>

            <el-form ref="loginFormRef" :model="loginData" :rules="loginRules" class="login-form">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <div class="flex-y-center w-full">
                        <svg-icon icon-class="user" class="mx-2" />
                        <el-input ref="username" v-model="loginData.username" :placeholder="$t('login.username')"
                            name="username" size="large" class="h-[48px]" />
                    </div>
                </el-form-item>

                <!-- 密码 -->
                <el-tooltip :visible="isCapslock" :content="$t('login.capsLock')" placement="right">
                    <el-form-item prop="password">
                        <div class="flex-y-center w-full">
                            <svg-icon icon-class="lock" class="mx-2" />
                            <el-input v-model="loginData.password" :placeholder="$t('login.password')" type="password"
                                name="password" @keyup="checkCapslock" @keyup.enter="handleLogin" size="large"
                                class="h-[48px] pr-2" show-password />
                        </div>
                    </el-form-item>
                </el-tooltip>

                <!-- 验证码 -->
                <el-form-item prop="captchaCode">
                    <div class="flex-y-center w-full">
                        <svg-icon icon-class="captcha" class="mx-2" />
                        <el-input v-model="loginData.captchaCode" auto-complete="off" size="large" class="flex-1"
                            :placeholder="$t('login.captchaCode')" @keyup.enter="handleLogin" />

                        <el-image @click="getCaptcha" :src="captchaBase64"
                            class="rounded-tr-md rounded-br-md cursor-pointer h-[48px]" />
                    </div>
                </el-form-item>

                <!-- 登录按钮 -->
                <el-button :loading="loading" type="primary" size="large" class="w-full" @click.prevent="handleLogin">{{
                $t("login.login") }}
                </el-button>

                <!-- 账号密码提示 -->
                <div class="mt-10 text-sm">
                    <span>{{ $t("login.username") }}: admin</span>
                    <span class="ml-4"> {{ $t("login.password") }}: 123456</span>
                </div>
            </el-form>
        </el-card>

        <!-- ICP备案 -->
        <div class="absolute bottom-1 text-[10px] text-center" v-show="icpVisible">
            <p>
                Copyright © 2021 - 2024 youlai.tech All Rights Reserved. 有来技术
                版权所有
            </p>
            <p>皖ICP备20006496号-3</p>
        </div>
    </div>
</template>

<script setup lang="ts">
import { ref, computed, onMounted, watchEffect } from 'vue'
import { useSettingsStore, useUserStore } from "@/store";
import { getCaptchaApi } from "@/api/auth";
import { LoginData } from "@/api/auth/types";
import { useI18n } from "vue-i18n";
import { Sunny, Moon } from "@element-plus/icons-vue";
import { LocationQuery, LocationQueryValue, useRoute } from "vue-router";
import router from "@/router";
import defaultSettings from "@/settings";
import { ThemeEnum } from "@/enums/ThemeEnum";

// Stores
const userStore = useUserStore();
const settingsStore = useSettingsStore();

// Internationalization
const { t } = useI18n();

// Reactive states
const isDark = ref(settingsStore.theme === ThemeEnum.DARK);
const icpVisible = ref(true);
const loading = ref(false); // 按钮loading
const isCapslock = ref(false); // 是否大写锁定
const captchaBase64 = ref(); // 验证码图片Base64字符串
const loginFormRef = ref(ElForm); // 登录表单ref
const { height } = useWindowSize();

const loginData = ref<LoginData>({
    username: "admin",
    password: "123456",
});

const loginRules = computed(() => {
    return {
        username: [
            {
                required: true,
                trigger: "blur",
                message: t("login.message.username.required"),
            },
        ],
        password: [
            {
                required: true,
                trigger: "blur",
                message: t("login.message.password.required"),
            },
            {
                min: 6,
                message: t("login.message.password.min"),
                trigger: "blur",
            },
        ],
        captchaCode: [
            {
                required: true,
                trigger: "blur",
                message: t("login.message.captchaCode.required"),
            },
        ],
    };
});

/**
 * 获取验证码
 */
function getCaptcha() {
    getCaptchaApi().then(({ data }) => {
        loginData.value.captchaKey = data.captchaKey;
        captchaBase64.value = data.captchaBase64;
    });
}

/**
 * 登录
 */
const route = useRoute();
function handleLogin() {
    userStore.login(loginData.value).then(() => {
        router.push({
            path: '/home',
            query: {}
        })
    }).catch(() => {
        getCaptcha();
    }).finally(() => {
        loading.value = false;
    })
    // loginFormRef.value.validate((valid: boolean) => {
    //     if (valid) {
    //         loading.value = true;
    //         userStore.login(loginData.value).then(() => {
    //             const query: LocationQuery = route.query;
    //             const redirect = (query.redirect as LocationQueryValue) ?? "/";
    //             const otherQueryParams = Object.keys(query).reduce(
    //                 (acc: any, cur: string) => {
    //                     if (cur !== "redirect") {
    //                         acc[cur] = query[cur];
    //                     }
    //                     return acc;
    //                 },
    //                 {}
    //             )
    //             router.push({ path: redirect, query: otherQueryParams });
    //         }).catch(() => {
    //             getCaptcha()
    //         }).finally(() => {
    //             loading.value = false;
    //         })
    //     }
    // })
}

/**
 * 主题切换
 */

const toggleTheme = () => {
    const newTheme =
        settingsStore.theme === ThemeEnum.DARK ? ThemeEnum.LIGHT : ThemeEnum.DARK;
    settingsStore.changeTheme(newTheme);
};
/**
 * 根据屏幕宽度切换设备模式
 */

watchEffect(() => {
    if (height.value < 600) {
        icpVisible.value = false;
    } else {
        icpVisible.value = true;
    }
});

/**
 * 检查输入大小写
 */
function checkCapslock(e: any) {
    isCapslock.value = e.getModifierState("CapsLock");
}

onMounted(() => {
    getCaptcha();
});
</script>

<style lang="scss" scoped>
html.dark .login-container {
    background: url("@/assets/images/login-bg-dark.jpg") no-repeat center right;
}

.login-container {
    // background: url("@/assets/images/login-bg1.png") no-repeat center right;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    background: url('@/assets/images/login-bg1.png') no-repeat;
    background-size: 100% 100%;

    .login-form {
        padding: 30px 10px;
    }

    .head-box {
        position: absolute;
        top: 0;
        right: 0;
        z-index: 9;
        text-align: right;
    }

    .login-box {
        .flex-y-center {
            display: flex;
            align-items: center;
        }

        .tag {
            position: absolute;
            top: 0;
            right: 0;
            z-index: 9;
        }
    }

    &:deep(.el-card__body) {
        background-color: #fff;
    }
}

.el-form-item {
    background: var(--el-input-bg-color);
    border: 1px solid var(--el-border-color);
    border-radius: 5px;
}

:deep(.el-input) {
    .el-input__wrapper {
        padding: 0;
        background-color: transparent;
        box-shadow: none;

        &.is-focus,
        &:hover {
            box-shadow: none !important;
        }

        input:-webkit-autofill {
            /* 通过延时渲染背景色变相去除背景颜色 */
            transition: background-color 1000s ease-in-out 0s;
        }
    }
}
</style>
